Hypercoils 9-1/2" Front Coil Spring - 5.5" O.D. - 350 lb. Quick Turn Mounting Bracket 154 Jet Size

154 Jet Size

1962-1968 Pontiac Grand Prix

One year from purchase date warranty

1200 / 5200 RPM

Hypercoils 9-1/2" Front Coil Spring - 5.5" O.D. - 350 lb. Quick Turn Mounting Bracket 154 Jet SizeHypercoils are manufactured from the highest quality chrome silicone steel and high tensile chrome silicone steel available in the world. The material used in producing Hypercoils undergoes two separate magnaflux inspections. Once before manufacture and again after coiling. These inspections insure the wire is free from surface imperfections which, if gone undetected could lead to spring failure. The life of a suspension coil is directly related to